Model: 1157F26-3

Setscrew

Properties:

Thread Class

Thread Direction

Right-hand

Thread Length

Between 0.663 inches and 0.711 inches

Fastener Length

Between 0.730 inches and 0.770 inches

Head Style

Headless (setscrew)

Locking Feature

Patch threads or pellet threads or strip threads

Point Style

Half dog

Internal Drive Style

Hexagon

Thread Diameter

0.250 inches

Width Across Flats

0.125 inches

Thready Qty Per Inch (tpi)

Criticality Code Justification

Zzzy

Material

Stainless steel

Material Specification

Aisi assn standard single material response

Surface Treatment

Chromium threads

Special Test Features

Special quality control testing

Surface Treatment Specification

Qq-c-320 cl 2b federal specification single treatment response threads

Test Data Document

81349-mil-p-23199 specification (includes engineering type bulletins, brochures, etc., that reflect specification type data in specification format; excludes commercial catalogs, industry directories, and similar trade publications, reflecting general type data on certain environmental and performance requirements and test conditions that are shown as "typical", "average", "", etc.).

Thread Series Designator

Unc

Reference Number Differentiating Characteristics

Material will be in accordance with navicp mech; activity hx quality control, manufacturing and testing specifications.

NSN

5305-01-103-6020

Part Number

1157F26-3

Description

Setscrew

CAGE

94259

An externally threaded device whose threaded portion is of one nominal diameter with or without a head and having a cup, cone, or other type of machined point designed to prevent or restrict relative movement of parts and designed to be driven with either a wrench or inserted driver. A locking feature may be incorporated in the design of the head or threads.

Part 1157F26-3 NSN 5305-01-103-6020

INC

FIIG

Concept No.

App. Key

Cond. Code

Status

INC:

06672

FIIG:

A003B0

Concept No.:

App. Key:

Cond. Code:

Status:

Material Classification

Hazardous material, precious metals, criticality, enviroment, and electrostatic discharge indicators

HMIC

PMIC

ESD/EMI

ENAC

MMAC

CRITL

HMIC:

PMIC:

ESD:

MMAC:

CRITL:

Packaging & Shipping

Est. Pack Size

Est. Pack Weight

Est. Item Weight

Est. Item Dim.

Pack Size:

Paclk Weight:

0.1000lbs

Item Weight:

Item Dim:

OPI

SPI No.

SPI Rev.

SPC Mkg.

LVL A

LVL B

OPI:

SPI No.:

SPI Rev.:

SPC Mkg:

LVL_A:

LVL_B:

Freight Classification

NMFC

UFC

LTL

LCL

WCC

TCC

SHC

ACC

NMFC:

093486

UFC:

48950

LTL:

RATING VARIABLE

LCL:

WCC:

713

TCC:

SHC:

ACC:

Construction Materials

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Schedule B and Export

Schedule B: 7318152000
SITC: 69421
End Use: Iron and steel products, other
NAICS: 332722
USDA: 1

Freight Class: Bolts and bolts and their nuts or washers exported in the same shipment